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Galaxy And Mass Assembly (GAMA) : end of survey report and data release 2.

Liske, J. and Baldry, I.K. and Driver, S.P. and Tuffs, R.J. and Alpaslan, M. and Andrae, E. and Brough, S. and Cluver, M.E. and Grootes, M.W. and Gunawardhana, M.L.P. and Kelvin, L.S. and Loveday, J. and Robotham, A.S.G. and Taylor, E.N. and Bamford, S.P. and Bland-Hawthorn, J. and Brown, M.J.I. and Drinkwater, M.J. and Hopkins, A.M. and Meyer, M.J. and Norberg, P. and Peacock, J.A. and Agius, N.K. and Andrews, S.K. and Bauer, A.E. and Ching, J.H.Y. and Colless, M. and Conselice, C.J. and Croom, S.M. and Davies, L.J.M. and De Propris, R. and Dunne, L. and Eardley, E.M. and Ellis, S. and Foster, C. and Frenk, C.S. and Häußler, B. and Holwerda, B.W. and Howlett, C. and Ibarra, H. and Jarvis, M.J. and Jones, D.H. and Kafle, P.R. and Lacey, C.G. and Lange, R. and Lara-López, M.A. and López-Sánchez, Á.R. and Maddox, S. and Madore, B.F. and McNaught-Roberts, T. and Moffett, A.J. and Nichol, R.C. and Owers, M.S. and Palamara, D. and Penny, S.J. and Phillipps, S. and Pimbblet, K.A. and Popescu, C.C. and Prescott, M. and Proctor, R. and Sadler, E.M. and Sansom, A.E. and Seibert, M. and Sharp, R. and Sutherland, W. and Vázquez-Mata, J.A. and van Kampen, E. and Wilkins, S.M. and Williams, R. and Wright, A.H. (2015) 'Galaxy And Mass Assembly (GAMA) : end of survey report and data release 2.', Monthly notices of the Royal Astronomical Society., 452 (2). pp. 2087-2126.

Abstract

The Galaxy And Mass Assembly (GAMA) survey is one of the largest contemporary spectroscopic surveys of low redshift galaxies. Covering an area of ∼286 deg2 (split among five survey regions) down to a limiting magnitude of r < 19.8 mag, we have collected spectra and reliable redshifts for 238 000 objects using the AAOmega spectrograph on the Anglo-Australian Telescope. In addition, we have assembled imaging data from a number of independent surveys in order to generate photometry spanning the wavelength range 1 nm–1 m. Here, we report on the recently completed spectroscopic survey and present a series of diagnostics to assess its final state and the quality of the redshift data. We also describe a number of survey aspects and procedures, or updates thereof, including changes to the input catalogue, redshifting and re-redshifting, and the derivation of ultraviolet, optical and near-infrared photometry. Finally, we present the second public release of GAMA data. In this release, we provide input catalogue and targeting information, spectra, redshifts, ultraviolet, optical and near-infrared photometry, single-component Sérsic fits, stellar masses, Hα-derived star formation rates, environment information, and group properties for all galaxies with r < 19.0 mag in two of our survey regions, and for all galaxies with r < 19.4 mag in a third region (72 225 objects in total). The data base serving these data is available at http://www.gama-survey.org/.

Item Type:Article
Keywords:Surveys, Galaxies: distances and redshifts, Galaxies: fundamental parameters, Galaxies: general, Galaxies: photometry, Galaxies: statistics.
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1093/mnras/stv1436
Publisher statement:This article has been accepted for publication in Monthly notices of the Royal Astronomical Society ©: 2015 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Date accepted:26 June 2015
Date deposited:10 February 2016
Date of first online publication:September 2015
Date first made open access:No date available

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